Source code for jmetal.core.observer
from abc import abstractmethod, ABC
"""
.. module:: Observable
:platform: Unix, Windows
:synopsis: Implementation of the observer-observable pattern.
.. moduleauthor:: Antonio J. Nebro <antonio@lcc.uma.es>
"""
[docs]class Observer(ABC):
[docs] @abstractmethod
def update(self, *args, **kwargs):
""" Update method.
"""
pass
[docs]class Observable(ABC):
[docs] @abstractmethod
def register(self, observer):
pass
[docs] @abstractmethod
def deregister(self, observer):
pass
[docs] @abstractmethod
def deregister_all(self):
pass
[docs] @abstractmethod
def notify_all(self, *args, **kwargs):
pass